THE ECONOMIC EFFECTS OF POOR AND FLUCTUATING IRRIGATION WATER SALINITY LEVELS IN THE LOWER VAAL AND RIET RIVERS

In the Lower Vaal and Riet Rivers, changing irrigation water quality has raised concern about the long-term sustainability of irrigation due to reduced yields of certain crops and the withdrawal of some very profitable crops. The main aim of this study is to develop and apply models to determine the...

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Bibliographic Details
Main Author: Armour, Robert Jack
Other Authors: Prof MF Viljoen
Format: Others
Language:en-uk
Published: University of the Free State 2007
Subjects:
Online Access:http://etd.uovs.ac.za//theses/available/etd-12062007-084412/restricted/